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218 lines
6.6 KiB
218 lines
6.6 KiB
/***************************************************************************
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*
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* Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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***************************************************************************/
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#ifndef QUERYVIEW_H
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#define QUERYVIEW_H
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#include <tqlistview.h>
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#include <tqregexp.h>
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class QueryResultsMenu;
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/**
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* Items in a query view.
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* The sole purpose for creating a new class is to be able to sort query
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* results numerically by line number.
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* @author Elad Lahav
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*/
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class QueryViewItem : public TQListViewItem
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{
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public:
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/**
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* Class constructor.
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* Used for list views.
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* @param pView The view widget
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* @param pAfter The item to preceed the new one
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* @param nLineCol The index of the line column
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*/
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QueryViewItem(TQListView* pView, TQListViewItem* pAfter,
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int nLineCol) : TQListViewItem(pView, pAfter), m_nLineCol(nLineCol)
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{}
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/**
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* Class constructor.
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* Used for tree views.
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* @param pParent The parent item
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* @param pAfter The item to preceed the new one
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* @param nLineCol The index of the line column
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*/
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QueryViewItem(TQListViewItem* pParent, TQListViewItem* pAfter,
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int nLineCol) : TQListViewItem(pParent, pAfter), m_nLineCol(nLineCol)
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{}
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/**
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* Compares two items.
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* If the given column holds line numbers, than the items are compared
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* by their numeric values. Otherwise, a standard text comparison is
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* performed.
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* @param pItem The item to compare to
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* @param nCol The column by which to compare
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* @param bAscend Whether sorting in ascending or descending order
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* @return 0 if the items are equal, 1 if the current item is greater,
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* -1 if the current item is smaller
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*/
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virtual int compare(TQListViewItem* pItem, int nCol, bool bAscend) const {
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if (nCol == m_nLineCol) {
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uint nLineCur, nLineOther;
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int nResult;
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// Get the line numbers of each item
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nLineCur = text(nCol).toUInt();
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nLineOther = pItem->text(nCol).toUInt();
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// Compare the line numbers
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nResult = nLineCur - nLineOther;
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if (nResult == 0)
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return 0; // Items are equal
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else if (nResult > 0)
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return 1; // The first item is greater
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else
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return -1; // The second item is greater
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}
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return TQListViewItem::compare(pItem, nCol, bAscend);
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}
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private:
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/** The index of the column holding the line numbers. */
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int m_nLineCol;
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};
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/**
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* A list view widget for displaying locations in the source code. Each record
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* (list item) represents a single line of code.
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* The main purpose of this class is for showing query results (@see
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* QueryViewDriver), but is can also serve as a base class for any widget
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* which needs to refer to locations in the source code (@see
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* HistoryView).
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* The view has 4 columns, for showing the file path, function name, line
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* number and line text of a code location.
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* The widget owns a popup menu which allows users to copy information
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* from records, filter records, and more.
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* @author Elad Lahav
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*/
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class QueryView : public TQListView
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{
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Q_OBJECT
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public:
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QueryView(TQWidget* pParent = 0, const char* szName = 0);
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~QueryView();
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virtual void addRecord(const TQString&, const TQString&, const TQString&,
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const TQString&, TQListViewItem* pParent = NULL);
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virtual void select(TQListViewItem*);
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virtual void selectNext();
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virtual void selectPrev();
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virtual void queryProgress();
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virtual void queryFinished(uint, TQListViewItem* pParent = NULL);
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/**
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* Provides an iterator over the list of query results.
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* @author Elad Lahav
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*/
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class Iterator
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{
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public:
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/**
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* Default constructor.
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*/
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Iterator() : m_pItem(NULL) {}
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/**
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* Copy constructor.
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* @param itr The copied object
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*/
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Iterator(const Iterator& itr) : m_pItem(itr.m_pItem) {}
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/**
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* @return true if the iterator points _beyond_ the end of the list,
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* false otherwise
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*/
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bool isEOF() { return m_pItem == NULL; }
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void next();
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TQString getFunc();
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TQString getFile();
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TQString getLine();
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TQString getText();
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private:
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/** Points to the current list item. */
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TQListViewItem* m_pItem;
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/**
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* Private constructor used to return initialised iterators.
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* This constructor can only be called from within QueryView.
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* @param pItem The initial list item
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*/
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Iterator(TQListViewItem* pItem) : m_pItem(pItem) {}
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friend class QueryView;
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};
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Iterator getIterator();
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signals:
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/**
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* Notifies the owner widget that it needs to be visible since some
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* information is available to display.
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* This information may be an advancement of the progress bar,
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* availability of query results, etc.
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*/
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void needToShow();
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/**
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* Emitted when a list record is selected.
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* Selection is done by either double-clicking a query or by highlighting
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* it and then pressing the ENTER key.
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* @param sFile The "File" field of the selected record
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* @param nLine The "Line" field of the selected record
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*/
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void lineRequested(const TQString& sFile, uint nLine);
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protected:
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/** A popup-menu for manipulating query result items. */
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QueryResultsMenu* m_pQueryMenu;
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/** A pointer to the last item (used for appending results). */
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TQListViewItem* m_pLastItem;
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void contentsMouseDoubleClickEvent(TQMouseEvent*);
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protected slots:
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virtual void slotRecordSelected(TQListViewItem*);
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virtual void slotFindDef(const TQString&);
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virtual void slotCopy(TQListViewItem*, int);
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virtual void slotFilter(int);
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virtual void slotShowAll();
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virtual void slotRemoveItem(TQListViewItem*);
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};
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#endif
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